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St Thomas weather in August 2025
Expect 31°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Thomas in August. Check more long-term weather averages for St Thomas in August before you book your next holiday to Virgin Islands in 2025/2026.
- 3131°C max day temperature
- 9 hours of sunshine per day
- 1414 days with some rainfall
- 2424°C min night temperature
- 1313 hours of daylight per day
- HHigh heat & humidity
- 124124 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2828°C sea temperature
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The August weather guide for Virgin Islands (St Thomas) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in St Thomas in August?
Daytime temperatures usually reach 31°C in St Thomas in August with high heat and humidity, falling to 24°C at night.
How sunny is it in St Thomas in August?
There are normally 9 hours of bright sunshine each day in St Thomas in August - that's 67% of daylight hours.
How warm is the sea around St Thomas in August?
The average sea temperature around St Thomas in August is 28°C.
Does it rain in St Thomas in August?
There are usually 14 days with some rain in St Thomas in August and the average monthly rainfall is 124mm.
What is the chance of a hurricane in St Thomas in August?
On average less than 1 day in August in St Thomas is likely to be affected by the passage of one or more tropical storms.
St Thomas August sunrise & sunset times
Browse the sunrise and sunset times for St Thomas in August 2025. Select a month to view St Thomas sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:58 | 18:54 |
Saturday, 16th August 2025 | 06:02 | 18:46 |
Sunday, 31st August 2025 | 06:05 | 18:34 |
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